3 votes 3 votes If $2a+3b+c=0$, then at least one root of the equation $ax^2+bx+c=0$, lies in the interval: $(0,1)$ $(1,2)$ $(2,3)$ $(1,3)$ Quantitative Aptitude nielit-2018 general-aptitude quantitative-aptitude quadratic-equations + – Arjun asked Dec 7, 2018 retagged Oct 23, 2020 by Krithiga2101 Arjun 914 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes Here we can see that X can take values as 3 or +√2 or -√2 Since it's given as positive interval the values of root can be lie in between 1.414 to 3 so (1,3) So option D. rutujwaghare answered Nov 13, 2020 rutujwaghare comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes According to official answer keys the answer is A Asim Siddiqui 4 answered Mar 28, 2021 Asim Siddiqui 4 comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes least one root of the equation ax2+bx+c=0ax2+bx+c=0, lies in the interval:(0,1) option-A heisenberggg answered Apr 8, 2021 heisenberggg comment Share Follow See all 0 reply Please log in or register to add a comment.